44289399 has 32 divisors (see below), whose sum is σ = 77506560. Its totient is φ = 21794400.

The previous prime is 44289347. The next prime is 44289419. The reversal of 44289399 is 99398244.

It is not a de Polignac number, because 44289399 - 2¹² = 44285303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44289499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657 + ... + 9434.

It is an arithmetic number, because the mean of its divisors is an integer number (2422080).

Almost surely, 2^44289399 is an apocalyptic number.

44289399 is a deficient number, since it is larger than the sum of its proper divisors (33217161).

44289399 is a wasteful number, since it uses less digits than its factorization.

44289399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131.

The product of its digits is 559872, while the sum is 48.

The square root of 44289399 is about 6655.0280991142. The cubic root of 44289399 is about 353.8071422298.

The spelling of 44289399 in words is "forty-four million, two hundred eighty-nine thousand, three hundred ninety-nine".